Troubleshooting “Error creating bean with name ‘requestMappingHandlerAdapter’ in Springframework”

Introduction: In this blog post, we will discuss a common error that occurs when creating a bean with the name ‘requestMappingHandlerAdapter’ in Springframework. The error message states that there is an issue with the instantiation of the bean, and it provides a stack trace indicating the root cause of the error. We will analyze the…

Troubleshooting ‘springSecurityFilterChain’ Threw java.lang.IllegalArgumentException: Providers List Cannot Contain Null Values

Introduction Have you encountered the frustrating error message in your Spring Boot application: ‘springSecurityFilterChain’ threw java.lang.IllegalArgumentException: providers list cannot contain null values? Don’t worry; you’re not alone. In this article, we will delve into the causes behind this error and provide you with effective troubleshooting steps to resolve it. So, let’s get started! Understanding the…